| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb base] n't know [prep] [adj] | 180 |
|
| 2 | we [vb base] n't know [prep] | 40 |
|
| 3 | we [vb base] n't know [adj] | 26 |
|
| 4 | we [vb base] know [prep] [adj] | 12 |
|
